YYV_146
Well-known
I use an EVF often. I have no feeling whatsoever viewing the frame with an EVF has any advantage for evaluating the detailed information about the final result. It is a low-quality preview that only estimates the final result. By low quality I don't mean the EVF flickers, has lag, is uncomfortable or causes visual fatigue. The EVF uses JPEG rendering which means highlights, contrast, WB, etc are not representative of the raw data.
I prefer using the OVF. There are no gain issues in low light (degraded EVF image), the display doesn't flicker in flourescent light, I can operate the camera with essentially shutter lag and I can see what's going on outside the frame (for all but my 14 mm lens).
Sometimes an EVF works best and other times and OVF works best. I would rather have access to both with the same camera than just have one or the other.
I agree with the merits of the OVF - I don't think it's a worse tool, just something different with a different set of advantages.
But I wasn't talking about the image itself when I was praising the EVF - I realize it is foolish to judge the dynamic range of a RAW file by looking through a tiny display. And that is why we have Zebra lines in newer digital bodies. 😀 I use them to prevent the highlights from tearing on my files all the time.
You can get WB in the ballpark by calibrating the EVF. A difference of 50, 100k does no damage to a photo. The issue is when the camera balance goes crazy (and most, if not all the digital cameras I've used sometimes do) and goes out 5,000k, then you have irrecoverable detail loss in the regions most affected. Using an EVF prevents that. If you see that the camera meters wrongly in the EVF, simply switch to a manual profile.
Meanwhile, An RF-style OVF has parallax, which is a big issue for many circumstances, and doesn't play well with long lenses. A DSLR-style OVF necessitates the use of a mirror box, which limits the performance of the camera. I don't care about 12FPS vs. 9, but I want peaking even for AF lenses, and that's something OVFs can't provide.